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Questions to be answered 29

TCS Aptitude Test 1



Question No : 1

If the word 'ddosszm' is changed to 'central' then what will be the change for 'rtjbl' ?

Question No : 2

What is the largest prime number in 8 digit number?

Question No : 3

The word unimpressive was given. They asked us to do change 1st & 2nd,3rd & 4th,so on. Then they asked what will be 10th letter from right?

Question No : 4

g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?

Question No : 5

Complete the series : 5,6,7,8,10,11,14,..?

Question No : 6

A man,a woman and a boy finish work together in 6 days.man takes 10 days,woman takes 24 days then how much boy will take?

Question No : 7

The matrix of a(7,9) was given. The address of the first byte of a(1,1)=1258. It takes 4 bytes to store the nuymber.

Then calculate the address of the last byte of a(5,8). [Assume row major form]

Question No : 8

The program requires 4000(n)1/2 [ie square root of n]. If size of program was increased by 1% then calculate the percentage change in size of program.

Question No : 9

modulo(373,7) + round(5.8) + truncat(7.2) - round(3.4) = ?

Question No : 10

If VXUPLVH is written as SURMISE, what is SHDVD ?

Question No : 11

If DDMUQZM is coded as CENTRAL then RBDJK can be coded as ---------

Question No : 12

In the word ECONOMETRICS, if the first and second , third and forth ,forth and fifth, fifth and sixth words are interchanged up to the last letter, what would be the tenth letter from right?

Question No : 13

Find the result of the following expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8)

Question No : 14

Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)

Question No : 15

Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".

Question No : 16

If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).

Question No : 17

Convert the decimal number 310 to the base 6.

Question No : 18

Find the missing number in the series: 2, 5,__ , 19 , 37, 75

Question No : 19

In a two-dimensional array, X(9,7), with each element occupying 4 bytes of memory, with the address of the first element X(1,1) is 3000, find the address of X(8,5).

Question No : 20

Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.
A 0 0 0 0 1 1 1 1
B 0 0 1 1 0 0 1 1
C 0 1 0 1 0 1 0 1
(AU(B-C)) ?

Question No : 21

Complete the series 2, 7, 24, 77,__

Question No : 22

If the vertex (5,7) is placed in the memory. First vertex (1,1) ?s address is 1245 and then address of (5,7) is ----------

Question No : 23

In Madras , temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.

Question No : 24

The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent?

Question No : 25

The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1%
then how much memory now occupied ?

Question No : 26

A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and
1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total
of laying the cable.

Question No : 27

If A can copy 50 pages in 10 hours and A and B together can copy 70 pages in 10 hours, how much time does B takes to copy 26 pages?

Question No : 28

Two stations A & B are 110 km apart. One train starts from A at 7 am, and travels towards B at 20kmph. Another train starts from B at 8 am and
travels towards A at 25kmph. At what time will they meet?

Question No : 29

If a man can swim downstream at 6kmph and upstream at 2kmph, his speed in still water is:


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